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In a gavlanic cell....

In a gavlanic cell.

A

Chemical reaction produces electrical energy

B

Electrical energy produces chemical reaction

C

Reduction occurs at anode

D

Oxidation occurs at cathode

Text Solution

Verified by Experts

The correct Answer is:
A
In galvanic cell//electochemical cell electrical energy is produced due to same chemical reaction.
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What is the cell reaction occurring in Daneill cell (galvanic cell) ?

Introduction|Redox Reaction|Electrochemical Changes|Electrochemical Cells Or Galvanic Cells|Electrolytic Cell |Galvanic Cell Or Voltaic Cells|Observations|Summary

Assertion :- In plant cells cell plate method is found for cytokinesis instead of cell furrow method. Reason :- Plant cells are enclosed by a relatively inextensible cell wall.

Write down the half- cell reactions and cell reaction for Daniell cell.

Cell junction facilitating cell to cell communication is

Scavanger cells of alveoli celled :-

Knowledge Check

  • What is the cell reaction occurring in Daneill cell (galvanic cell) ?

    A
    `Cu(s)+ZnSO_(4)(aq.) rarr CuSO_(4)(aq.) + Zn(s)`
    B
    `Zn(s)+CuSO_(4)(aq.) rarr Cu(s)+ZnSO_(4)(aq.)`
    C
    `Ni(s)+ZnSO_(4)(aq.) rarr NiSO_(4)(aq.)+Zn(s)`
    D
    `2Na(s)+CdSO_(4)(aq.) rarr Na_(2)SO_(4)(aq.)+Cd(s)`

  • Assertion :- In plant cells cell plate method is found for cytokinesis instead of cell furrow method. Reason :- Plant cells are enclosed by a relatively inextensible cell wall.

    A
    If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
    B
    If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
    C
    If Assertion is True but the Reason is False.
    D
    If both Assertion & Reason are false.

  • Cell junction facilitating cell to cell communication is

    A
    Tight junction
    B
    Adhering junction
    C
    Gap junction
    D
    Desmosomes
    • A2Z-ELECTROCHEMISTRY-Construction And Working Of A Cell, Electrochemical Series And Its Applications
    1. In a gavlanic cell.

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    2. The standard potentials at 25^@C for the following half reactions are ...

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    3. Which of the following statement is correct ?

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    4. If Theta denotes standard reduction potentical, which is true:

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    5. Enf of a cell in terms of reduction potential of its left and right el...

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    6. In which of the follwing cells net cell reaction is :

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    7. Which of the following is //are function (s) of salt bredge ?

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    8. The standard cell potential for the electrochemical cell Af//Af^+ || ...

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    9. E^@ for F2 + 2e rarr 2F^- is 2. 8 V, E^@ for 1/2 F2 +e rarr F^- is...

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    10. The E(M^(3+)//M^(2+) values for Cr, Mn, Fe and Co are 0.41, + 1.57...

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    11. Standared reduction electrode potenitals of three metals A, B and C ...

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    12. Salt bridge contains:

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    13. In wich of the following electrochemical cell the overall cell reactio...

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    14. Civen E^@ for Cu^(2+) rarr Cu^+ is + 0.15 V and Cu^+ rarr Cu is ...

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    15. Two half cells have reduction potentials -0.76 V and -0.13 V respectiv...

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    16. Consider the following E^@ values . E^(0)((Fe^(3+)//Fe^(2+)) = + 0.77...

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    17. Consider the cell potential E(Mg^(2+//Mg)^@ =- 2.37 V and E(Fe^(3...

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    18. If a spoon of copper metal is placed in a solution of ferrous sulphate...

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    19. The position of some metals in the electrochemical series in dectreasi...

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    20. For Zn^(2+) //Zn, E^@ =- 0. 76 V, for Ag^+ //Af E^@ =0.799 V. The cor...

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